Chassis Status Leds On Ex4300 Switches; Figure 19: Chassis Status Leds In An Ex4300 Switch; Table 17: Chassis Status Leds On An Ex4300 Switch - Juniper EX4300 Hardware Manual

EX4300 Switch Hardware Guide
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Chassis Status LEDs on EX4300 Switches

Table 17: Chassis Status LEDs on an EX4300 Switch

LED Label Color
(Alarm) Unlit
ALM
Red
Yellow
34
The SFP+ uplink modules are shipped with dust covers installed in the ports. The QSFP+
uplink module is shipped with a dust cover installed in one of the ports.
SFP+ Direct Attach Cables for EX Series Switches on page 128
Installing an Uplink Module in an EX4300 Switch on page 229
EX Series Switches Interfaces Overview
An EX4300 switch has three chassis status LEDs (labeled
right of the LCD panel, next to the Menu and Enter buttons (see

Figure 19: Chassis Status LEDs in an EX4300 Switch

1— LCD panel
2— LCD panel Enter button
Table 17 on page 34 describes the chassis status LEDs on an EX4300 switch, their colors
and states, and the status they indicate. You can view the colors of the three LEDs
remotely through the CLI by issuing the operational mode command
State and Description
There is no alarm or the switch is halted.
There is a major alarm.
NOTE: When you connect power to the switch, the Alarm (
This behavior is normal. Plugging an active Ethernet cable into the management
( ) port on the switch completes the network link and turns off the
MGMT
(See "Connecting a Switch to a Network for Out-of-Band Management" on
page 181.)
Connecting the switch to a dedicated management console instead of a network
does not affect the
to a network.
There is a minor alarm.
NOTE: The Alarm (
it active on the switch and do not also create a rescue configuration to back it up.
To save the most recently committed configuration as the rescue configuration,
enter the operational mode command
3— LCD panel Menu button
4— Chassis status LEDs
LED. The LED remains red until the switch is connected
ALM
ALM ) LED glows yellow if you commit a configuration to make
request system configuration rescue save
Copyright © 2015, Juniper Networks, Inc.
, , and ) on the
ALM SYS MST
Figure 19 on page 34).
show chassis led
) LED glows red.
ALM
LED.
ALM
.
.